Date: Sat, 16 Feb 2019 00:37:09 +0000 (UTC) From: Andriy Voskoboinyk <avos@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r344193 - in stable: 10/usr.bin/newkey 11/usr.bin/newkey 12/usr.bin/newkey Message-ID: <201902160037.x1G0b9h9071420@repo.freebsd.org>
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Author: avos Date: Sat Feb 16 00:37:08 2019 New Revision: 344193 URL: https://svnweb.freebsd.org/changeset/base/344193 Log: MFC r343909: newkey(8): fix 'tmpname' memory leak (always) and input file descriptor leak when output file cannot be opened PR: 201732 Reported by: David Binderman <dcb314@hotmail.com> Modified: stable/11/usr.bin/newkey/update.c Directory Properties: stable/11/ (props changed) Changes in other areas also in this revision: Modified: stable/10/usr.bin/newkey/update.c stable/12/usr.bin/newkey/update.c Directory Properties: stable/10/ (props changed) stable/12/ (props changed) Modified: stable/11/usr.bin/newkey/update.c ============================================================================== --- stable/11/usr.bin/newkey/update.c Sat Feb 16 00:15:54 2019 (r344192) +++ stable/11/usr.bin/newkey/update.c Sat Feb 16 00:37:08 2019 (r344193) @@ -266,11 +266,14 @@ localupdate(char *name, char *filename, u_int op, u_in sprintf(tmpname, "%s.tmp", filename); rf = fopen(filename, "r"); if (rf == NULL) { - return (ERR_READ); + err = ERR_READ; + goto cleanup; } wf = fopen(tmpname, "w"); if (wf == NULL) { - return (ERR_WRITE); + fclose(rf); + err = ERR_WRITE; + goto cleanup; } err = -1; while (fgets(line, sizeof (line), rf)) { @@ -310,13 +313,18 @@ localupdate(char *name, char *filename, u_int op, u_in fclose(rf); if (err == 0) { if (rename(tmpname, filename) < 0) { - return (ERR_DBASE); + err = ERR_DBASE; + goto cleanup; } } else { if (unlink(tmpname) < 0) { - return (ERR_DBASE); + err = ERR_DBASE; + goto cleanup; } } + +cleanup: + free(tmpname); return (err); }
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